7+18z-1=9z+71-4z

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Solution for 7+18z-1=9z+71-4z equation:


Simplifying
7 + 18z + -1 = 9z + 71 + -4z

Reorder the terms:
7 + -1 + 18z = 9z + 71 + -4z

Combine like terms: 7 + -1 = 6
6 + 18z = 9z + 71 + -4z

Reorder the terms:
6 + 18z = 71 + 9z + -4z

Combine like terms: 9z + -4z = 5z
6 + 18z = 71 + 5z

Solving
6 + 18z = 71 + 5z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-5z' to each side of the equation.
6 + 18z + -5z = 71 + 5z + -5z

Combine like terms: 18z + -5z = 13z
6 + 13z = 71 + 5z + -5z

Combine like terms: 5z + -5z = 0
6 + 13z = 71 + 0
6 + 13z = 71

Add '-6' to each side of the equation.
6 + -6 + 13z = 71 + -6

Combine like terms: 6 + -6 = 0
0 + 13z = 71 + -6
13z = 71 + -6

Combine like terms: 71 + -6 = 65
13z = 65

Divide each side by '13'.
z = 5

Simplifying
z = 5

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